The first simultaneous X-ray/gamma-ray observations of Cyg X-1 by Ginga and OSSE

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dc.creatorGierlinski, Marek
dc.creatorZdziarski, Andrzej A.
dc.creatorJohnson, W. Neil
dc.creatorPhlips, Bernard F.
dc.creatorEbisawa, Ken
dc.creatorDone, Chris
dc.date1995-12-12
dc.date.accessioned2026-07-07T02:20:35Z
dc.date.available2026-07-07T02:20:35Z
dc.descriptionWe present the results of 4 simultaneous observations of Cygnus X-1 by Ginga and OSSE. The X-ray/gamma-ray spectra can be described by an intrinsic continuum and a component due to Compton reflection including an iron K-alpha line. The intrinsic spectrum at X-ray energies is a power-law with a photon spectral index of Gamma=1.6. The intrinsic gamma-ray spectrum can be phenomenologically described by either a power-law without cutoff up to 150 keV, and an exponential cutoff above that energy, or by an exponentially cutoff power law and a second hard component.
dc.description2 pages, 3 figures, to appear in Proc. Conf. "Roentgenstrahlung from the Universe", Wuerzburg, Germany, September 25-29, 1995
dc.identifierhttps://arxiv.org/abs/astro-ph/9512073
dc.identifierhttp://arxiv.org/abs/astro-ph/9512073
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/10257
dc.subjectAstrophysics
dc.titleThe first simultaneous X-ray/gamma-ray observations of Cyg X-1 by Ginga and OSSE
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